@fal-ai/serverless-proxy/src/express.js

Deprecation note: this library has been deprecated in favor of @fal-ai/server-proxy

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.handler = exports.route = void 0;
const index_1 = require("./index");
/**
 * The default Express route for the fal.ai client proxy.
 */
exports.route = index_1.DEFAULT_PROXY_ROUTE;
/**
 * The Express route handler for the fal.ai client proxy.
 *
 * @param request The Express request object.
 * @param response The Express response object.
 * @param next The Express next function.
 */
const handler = async (request, response, next) => {
    await (0, index_1.handleRequest)({
        id: "express",
        method: request.method,
        getRequestBody: async () => JSON.stringify(request.body),
        getHeaders: () => request.headers,
        getHeader: (name) => request.headers[name],
        sendHeader: (name, value) => response.setHeader(name, value),
        respondWith: (status, data) => response.status(status).json(data),
        sendResponse: async (res) => {
            if (res.body instanceof ReadableStream) {
                const reader = res.body.getReader();
                const stream = async () => {
                    const { done, value } = await reader.read();
                    if (done) {
                        response.end();
                        return response;
                    }
                    response.write(value);
                    return await stream();
                };
                return await stream().catch((error) => {
                    if (!response.headersSent) {
                        response.status(500).send(error.message);
                    }
                    else {
                        response.end();
                    }
                });
            }
            if (res.headers.get("content-type")?.includes("application/json")) {
                return response.status(res.status).json(await res.json());
            }
            return response.status(res.status).send(await res.text());
        },
    });
    next();
};
exports.handler = handler;
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